1.2 miles
Distance
946 ft
Climb
1,347 ft
High Point

Flag Hill Trail Details

  • Activities
    • Hike
    • Mountain Bike
    • Trail Running
  • Riding Area
    Sunol Regional Wilderness
    Pleasanton, California
  • Difficulty Rating
    Blue rate
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Family Friendly
    Yes
  • Dogs Allowed
    Yes
  • Local Popularity
    5 in Mountain Biking [+]
    • 5 in Trail Running
    • 95 in Hiking
  • Land Owner
    East Bay Regional Park District

No description for Flag Hill Trail trail has been added yet!

Flag Hill Trail is a 1 mile less popular blue singletrack family friendly trail located near Pleasanton California. This hike primary trail can be used both directions and has a moderate overall physical rating with a 946 ft blue climb.

More Stats for Flag Hill Trail hike trail trail
  • Altitude change
    946 ft
  • Altitude min
    400 ft
  • Altitude start
    401 ft
  • Altitude end
    1,348 ft
  • Grade
    14.4%
  • Grade max
    -0.8%
  • Grade min
    56.9%
  • Distance climb
    1 mile
  • Distance down
    197 ft
  • Distance flat
    413 ft
  • view trail stats
Status:
on Apr 20, 2025
Variable
no votes yet
Your vote: 0

view (29)
close
  • BasemapMap 
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
3D
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      Directions to flag-hill-trail-578245 trailhead (37.515860, -121.830010)
      update trails status or condition

      Flag Hill Trail Trail Reports

      statusdatedescription
      Apr 20, 2025 @ 4:10pm
      Apr 20, 2025
      		 One of our pups picked up a tick on this hike, so be aware
      Apr 15, 2023 @ 6:31am
      Apr 15, 2023
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 0 rides
      •  
      6 Months
      • 0 rides
      •  
      All
      • 0 rides
      •  

      Photos

      no photos have been added for Flag Hill Trail yet, add a photo.

      Reviews / Comments

      No reviews yet, be the first to write a review or ask a question.
      Use trail reports to comment on trail conditions.


      We hope you've been enjoying Trailforks!

      Create a FREE account to view trail comments and much more.

      Create a Free Account

      Videos

      no videos have been added for Flag Hill Trail yet, add a video.

      Nearby Trails

      Sunol Regional Wilderness

      • By spokesmanmtbTF Pro Durango SJT & contributors
      • #578245 - 121 views

      You must enter a description before submitting.